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Showing 25 to 36 of 588 entries
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Light-affected ca fluxes in protoplasts from vallisneria mesophyll cells.

Plant physiology

Takagi S, Nagai R.
PMID: 16666272
Plant Physiol. 1988 Sep;88(1):228-32. doi: 10.1104/pp.88.1.228.

In Vallisneria gigantea Graebner mesophyll cells, red light irradiation induces cytoplasmic streaming by decreasing the Ca(2+) concentration in the cytoplasm, while far-red light irradiation inhibits it by increasing the concentration (S Takagi, R Nagai 1985 Plant Cell Physiol 26:...

The effect of 1,4-dihydropyridines on the initiation and development of gametophore buds in the moss funaria.

Plant physiology

Conrad PA, Hepler PK.
PMID: 16665970
Plant Physiol. 1988 Mar;86(3):684-7. doi: 10.1104/pp.86.3.684.

The plant hormone cytokinin stimulates target caulonemata of Funaria to form buds that develop into the leafy gametophyte. Previous reports have shown that increases in intracellular Ca(2+) occur during hormone-activated budding concomitant with an alteration in the polarity of...

Effects of halothane and calcium entry blockers on atrioventricular conduction-a comparative study of verapamil, diltiazem, and nifedipine.

Journal of anesthesia

Yokota S, Harada K, Takigawa C, Nakamura I, Kemmotsu O.
PMID: 15236084
J Anesth. 1988 Sep 01;2(2):219-26. doi: 10.1007/s0054080020219.

The effects of halothane on AV nodal function were evaluated in dogs with verapamil, diltiazem, or nifedipine during atrial pacing using the technique of His-bundle electrocardiography. Fifty-one mongrel dogs were divided into six groups. Anesthesia was induced with ketamine...

Consumption of calcium antagonists: results of the German national health surveys.

Pharmacoepidemiology and drug safety

Knopf H, Melchert HU, Bertelsmann A.
PMID: 19025823
Pharmacoepidemiol Drug Saf. 2000 May;9(3):221-33. doi: 10.1002/1099-1557(200005/06)9:3<221::AID-PDS499>3.0.CO;2-P.

PURPOSE: In generating firm conclusions concerning the efficacy and safety of drugs, the description of the exposed population should be one of the first steps in pharmacoepidemiological studies. The present investigation describes the frequency of usage and calcium antagonists...

Intracellular calcium changes induced by the endozepine triakontatetraneuropeptide in human polymorphonuclear leukocytes: role of protein kinase C and effect of calcium channel blockers.

Cell communication and signaling : CCS

Marino F, Cosentino M, Ferrari M, Cattaneo S, Frigo G, Fietta AM, Lecchini S, Frigo GM.
PMID: 15228623
Cell Commun Signal. 2004 Jun 30;2(1):6. doi: 10.1186/1478-811X-2-6.

BACKGROUND: The endozepine triakontatetraneuropeptide (TTN) induces intracellular calcium ([Ca++]i) changes followed by activation in human polymorphonuclear leukocytes (PMNs). The present study was undertaken to investigate the role of protein kinase (PK) C in the modulation of the response to...

Substrate dependent inhibition profiles of fourteen drugs on CYP3A4 activity measured by a high throughput LCMS/MS method with four probe drugs, midazolam, testosterone, nifedipine and terfenadine.

Drug metabolism and pharmacokinetics

Racha JK, Zhao ZS, Olejnik N, Warner N, Chan R, Moore D, Satoh H.
PMID: 15618727
Drug Metab Pharmacokinet. 2003;18(2):128-38. doi: 10.2133/dmpk.18.128.

The CYP3A4 enzyme is known for its atypical inhibition kinetics; ligand inhibition can differ depending upon the probe drug used. A high throughput-LCMS/MS CYP3A4 inhibition assay with four substrate drugs was developed to minimize the potential oversight of CYP3A4...

Pharmacological evidences for the stimulation of calcium-sensing receptors by nifedipine in gingival fibroblasts.

Journal of pharmacology & pharmacotherapeutics

Hattori T, Ara T, Fujinami Y.
PMID: 21701644
J Pharmacol Pharmacother. 2011 Jan;2(1):30-5. doi: 10.4103/0976-500X.77111.

OBJECTIVE: To investigate pharmacologically whether CaSRs are involved in the Ca(2+) antagonist-induced [Ca(2+)]i elevation in gingival fibroblasts.MATERIALS AND METHODS: Gin-1 cells, normal human gingival fibroblasts, were used as the material. The [Ca(2+)] i was measured with fura-2/AM, a Ca(2+)-sensitive...

Nifedipine.

The Western journal of medicine

Rudd P.
PMID: 18750436
West J Med. 1988 Jul;149(1):57.

No abstract available.

Sensitive and simple liquid chromatographic method with ultraviolet detection for the determination of nifedipine in canine plasma.

Analytica chimica acta

Vertzoni MV, Reppas C, Archontaki HA.
PMID: 17723537
Anal Chim Acta. 2006 Jul 28;573:298-304. doi: 10.1016/j.aca.2006.03.037. Epub 2006 Mar 16.

An isocratic high-performance liquid chromatographic method with detection at 240 nm was developed, optimized and validated for the determination of nifedipine in canine plasma. Liquid-liquid extraction was used as the sample preparation technique. Carbamazepine was used as internal standard....

Cilnidipine lowered psychological stress-induced increase in blood pressure in a hypertensive man: a case report.

BioPsychoSocial medicine

Hayashida S, Oka T, Tsuji S.
PMID: 17900335
Biopsychosoc Med. 2007 Sep 27;1:16. doi: 10.1186/1751-0759-1-16.

BACKGROUND: In some hypertensive patients, psychological stress makes blood pressure difficult to control and causes physical symptoms such as headache or dizziness. We report the case of a hypertensive man whose psychological stress-induced increase in blood pressure was attenuated...

Interaction Site Preference between Carbon Nanotube and Nifedipine: A Combined Density Functional Theory and Classical Molecular Dynamics Study.

Theochem

Liu H, Bu Y, Mi Y, Wang Y.
PMID: 19680462
Theochem. 2009 May 15;901(1):163-168. doi: 10.1016/j.theochem.2009.01.021.

A novel hybrid density functional theory, MPWB1K, was firstly employed to investigate static adsorptions of a nifedipine on a (10,10) type of single-walled carbon nanotube (SWCNT), which was modeled by C(200)H(40) and C(280) respectively. For both SWCNT models the...

Interactions of verapamil, D 600, flunarizine and nifedipine with cerebral histamine-receptors.

Neurochemistry international

Taylor JE, Defeudis FV.
PMID: 20493137
Neurochem Int. 1986;9(3):379-81. doi: 10.1016/0197-0186(86)90079-3.

Experiments conducted on membrane fractions of guinea-pig brain using ligand-binding techniques have shown that certain Ca(2+)-antagonists interact with histamine (H(1) or H(2)) receptors. Flunarizine (inhibition constant, K(i) ? 86 nM) was nearly as potent as diphenhydramine (K(i) ? 44...

Showing 25 to 36 of 588 entries